CN102833727A - Method for selecting subscriber identity card and communication apparatus - Google Patents

Method for selecting subscriber identity card and communication apparatus Download PDF

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Publication number
CN102833727A
CN102833727A CN2012101717718A CN201210171771A CN102833727A CN 102833727 A CN102833727 A CN 102833727A CN 2012101717718 A CN2012101717718 A CN 2012101717718A CN 201210171771 A CN201210171771 A CN 201210171771A CN 102833727 A CN102833727 A CN 102833727A
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China
Prior art keywords
subscriber identity
identity module
data
transfer
processing amount
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CN2012101717718A
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CN102833727B (en
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周双安
郭晓儒
简世昕
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MediaTek Inc
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MediaTek Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H04W36/144—Reselecting a network or an air interface over a different radio air interface technology
    • H04W36/1443—Reselecting a network or an air interface over a different radio air interface technology between licensed networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/304—Reselection being triggered by specific parameters by measured or perceived connection quality data due to measured or perceived resources with higher communication quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/20—Transfer of user or subscriber data
    • H04W8/205—Transfer to or from user equipment or user record carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a method for selecting a subscriber identity card and a communication apparatus. The communication apparatus comprises a processor coupled to a first subscriber identity card, a second subscriber identity card, a memory device and a radio transceiver module. The processor constructs a first packet switch connection with the first wireless network via the first subscriber identity card to perform data transfer in the first wireless network, measures a first data transfer throughput of the first wires network when performing the data transfer via the first subscriber identity card, obtains a theoretical data transfer throughput corresponding to the second radio access technology (RAT) from the memory device, and determines to perform data transfer in the second wireless network via the second subscriber identity card when the theoretical data transfer throughput corresponding to the second RAT is higher than the first data transfer throughput. The provided method for selecting a subscriber identity card and the communication apparatus can be intelligently selected.

Description

Select the method and the communication device of Subscriber Identity Module
Technical field
The present invention is about a kind of intelligent user identification card selection method; Have the optimal wireless access technique (Radio Access Technology, Subscriber Identity Module RAT) is to provide the user identification card selection method of best Communications service especially in regard to a kind of determining automatically.
Background technology
" wireless " speech is often referred to a kind of electronics or electric running that does not need to use " hardware connection " to connect and reach." radio communication " is meant under the situation of not using electric conductor or circuit and can crosses over a segment distance and send information.Said distance can be very short, and for example television-directed several meters, said distance also can be very long, for example the thousands of kilometers of radio communication.The best practice of radio communication is exactly mobile phone (cellular telephone).Mobile phone can use radio wave to start (enable) operation, so that the user can be by the many positions in the global range to the opposing party's telephone calling.Have the base station equipment of sending and receiving signal as long as exist, mobile phone just can use anywhere, and wherein, signal is processed to be used for mobile phone and sends and receive voice-and-data.
At present existing a variety of advanced persons and complete wireless communication technology.For example; Global system for mobile communications (Global System for Mobile communications; GSM) be exactly a kind of complete and use communication system widely; It utilizes time division multiple access (time division multiple access; TDMA) technology, TDMA technology are a kind of multiplex (MUX) (multiplex) access mechanisms of digital radio, can between mobile phone and cell site (cell site), send voice, data and signaling (signaling) data (telephone number of for example having dialled).Furtherly, GSM can use frequency division multiple access (frequency division multiple access, FDMA) technology.CDMA 2000 is a kind of technical standards of mixing mobile communication 2.5G/3G, and it utilizes code division multiple access (codedivision multiple access, CDMA) technology.(Universal Mobile Telecommunications System UMTS) is a kind of 3G mobile communcations system to Universal Mobile Telecommunications System, and multiple reinforced service range (enhanced range) can be provided on gsm system.Wireless Fidelity (Wireless Fidelity; Wi-Fi) be by the defined a kind of technology of 802.11 engineering specifications; It can be used for home network, mobile phone, video-game, so that high frequency wireless local LAN (wireless local area network) to be provided.
Be accompanied by the high speed development of wireless communication technology, now in same travelling carriage (Mobile Station, MS) or subscriber equipment (User Equipment utilizes identical or different mechanics of communication to provide the multiple wireless communication service to become possibility in UE).For best wireless radio service is provided, the utmost point needs a kind of method of selecting Subscriber Identity Module intelligently that has.
Summary of the invention
In view of this, the present invention provides a kind of method and communicator of selection Subscriber Identity Module.
The embodiment one of according to the present invention, a kind of communication device comprises: processor is coupled to first Subscriber Identity Module, one second Subscriber Identity Module, storage arrangement and radio transceiver chip; Wherein this first Subscriber Identity Module is waited to connect through this radio transceiver chip and first sub-district, and first radio access technology is used in this first sub-district, and belongs to first wireless network; Wherein this second Subscriber Identity Module is waited to connect through this radio transceiver chip and second sub-district, and second radio access technology is used in this second sub-district, and belongs to second wireless network; Wherein this storage arrangement stores a plurality of data transmission and processing amount theoretical values corresponding to the different radio access technique; And wherein this processor is used for seeing through and sets up first packet-switched between this first Subscriber Identity Module and this first wireless network and be connected; Be used to carry out transfer of data in this first wireless network, be used for seeing through the first data transmission and processing amount of measuring this first wireless network when this first Subscriber Identity Module is carried out this transfer of data, be used for obtaining this second radio access pairing data transmission and processing amount theoretical value of technology and when pairing this data transmission and processing amount theoretical value of this second radio access technology is higher than this first data transmission and processing amount, is used for decision and changes into through this second Subscriber Identity Module execution transfer of data from this storage arrangement.
Another embodiment according to the present invention; A kind ofly be used to select in the communication device Subscriber Identity Module to carry out the method for transfer of data with optimal wireless access technique; Comprise: obtain first radio access pairing first data transmission and processing amount theoretical value of technology and the pairing second data transmission and processing amount theoretical value of second radio access technology; First Subscriber Identity Module that wherein is disposed in this communication device uses this first radio access technology to wait to connect with first sub-district that belongs to first wireless network, and second Subscriber Identity Module that is disposed in this communication device uses this second radio access technology to wait to connect with second sub-district that belongs to second wireless network; When this first data transmission and processing amount theoretical value is higher than this second data transmission and processing amount theoretical value, sees through and to set up the first required packet-switched of execution transfer of data between this first Subscriber Identity Module and this first wireless network and be connected; And see through this first User Recognition and be stuck in this first wireless network and carry out this transfer of data.
The method of selection Subscriber Identity Module provided by the invention and communicator can be selected Subscriber Identity Module intelligently, can select reasonable RAT, reach communication preferably.
Description of drawings
Fig. 1 is for showing the sketch map according to the described communication device of one embodiment of the invention.
Fig. 2 is for showing according to the described network topology sketch map of one embodiment of the invention.
Fig. 3 is for showing according to the described radio activity scheduling example by the shared radio transceiver chip of a plurality of Subscriber Identity Modules of one embodiment of the invention.
Fig. 4 a is for showing the example according to the pairing data transmission and processing amount of different radio access technique theoretical value stored in the described storage arrangement of one embodiment of the invention.
Fig. 4 b is for showing the example of the pairing data transmission and processing amount of different radio access technique theoretical value stored in the described according to another embodiment of the present invention storage arrangement.
Fig. 4 c is for showing the example according to the pairing data transmission and processing amount of different radio access technique theoretical value stored in the described storage arrangement of another embodiment again of the present invention.
Fig. 4 d is for showing the example according to the pairing data transmission and processing amount of different radio access technique theoretical value stored in the described storage arrangement of another embodiment again of the present invention.
Fig. 5 is for showing the example situation according to the described measurement data transmission process of one embodiment of the invention amount.
Fig. 6 for show according to one embodiment of the invention described select have the optimal wireless access technique a Subscriber Identity Module to carry out the method flow diagram of transfer of data.
Fig. 7 is for showing another example situation of described according to another embodiment of the present invention measurement data transmission process amount.
Fig. 8 for show described according to another embodiment of the present invention select have the optimal wireless access technique a Subscriber Identity Module to carry out the method flow diagram of transfer of data.
Fig. 9 for show another embodiment again according to the present invention described select have the optimal wireless access technique a Subscriber Identity Module to carry out the method flow diagram of transfer of data.
Embodiment
For manufacturing, method of operation, target and the advantage that makes the present invention can be more obviously understandable, hereinafter is special lifts several preferred embodiments, and cooperates appended graphicly, elaborates as follows:
Fig. 1 is for showing the sketch map according to the described communication device of one embodiment of the invention.Communication device 100 can comprise an above Subscriber Identity Module; Subscriber Identity Module 101 and 102 shown in for example scheming; Fundamental module 103, and radio transceiver chip 104, wherein fundamental module 103 is coupled to Subscriber Identity Module 101 and 102 and radio transceiver chip 104.Radio transceiver chip 104 receives radio frequency signal; With the conversion of signals that receives is fundamental frequency signal; So that the processing of fundamental module 103, perhaps, the fundamental frequency signal that radio transceiver chip 104 receives from fundamental module 103; And be radio frequency signal with the conversion of signals that receives, to be sent to one long-range (peer) device.Radio transceiver chip 104 can comprise a plurality of hardware units to carry out the radio frequency conversion.For example, radio transceiver chip 104 can comprise a frequency mixer, and this frequency mixer makes a fundamental frequency signal and a carrier multiplication, and this carrier wave shakes the communication frequency in wireless communication system.For example, 900MHz or 1800MHz can be, 1900MHz can be for this wireless frequency of UMTS for this wireless frequency of GSM.Fundamental module 103 more converts fundamental frequency signal into a plurality of digital signals, and digital signal is handled, and vice versa, and fundamental module 103 converts a plurality of digital signals into fundamental frequency signal, and fundamental frequency signal is handled.Fundamental module 103 also can comprise a plurality of hardware units to be handled to carry out fundamental frequency signal.Fundamental frequency signal handle can comprise simulate to digital translation (Analog to Digital Conversion, ADC)/numeral to analog-converted (Digital to Analog Conversion, DAC), the gain adjustment, modulating/demodulating, coding/decoding, or the like.Fundamental module 103 more comprises storage arrangement 106 and processor 105, and processor 105 is in order to control fundamental module 103, radio transceiver chip 104 respectively and to insert the Subscriber Identity Module 101 of two slots and 102 running respectively.Processor 105 can be from the Subscriber Identity Module that inserted 101 and Subscriber Identity Module 102 reading of data, and write data to Subscriber Identity Module that has inserted 101 and Subscriber Identity Module 102.It should be noted that storage arrangement 106 also can design outside fundamental module 103, the present invention is not limited in situation in the present embodiment.In addition, it should be noted that the sketch map of Fig. 1 is merely a kind of of a plurality of different embodiment of the present invention, in order to simplify narration with the clear notion of setting forth invention.Any wireless communication module of radio communication service that provides all can be integrated in the communication device of the present invention, so the present invention is not limited to any specific execution mode.In addition, each above-mentioned module also can be integrated in same chip (that is SOC(system on a chip) (system on chip, be called for short SOC), so the present invention is not limited to any specific execution mode.
Fig. 2 is for showing according to the described network topology sketch map of one embodiment of the invention.After waiting to connect the sub-district that (camping on) managed by access station 201 and 202; Dispose the network 203 and network 204 of a plurality of identical or different mechanicss of communication of communication device 100 access simultaneously of a plurality of Subscriber Identity Modules; Wherein access station 201 with and/or 202 can be a base station; One Node B (node-B), or an access point compatible with 802.1a, 802.1b or 802.1g, or other.For example; Network 203 with and/or network 204 can be GSM network, WCDMA network, Wi-Fi network, CDMA2000 network or the synchronous code division multiple access of timesharing (Time Division-Synchronous Code Division Multiple Access; TD-SCDMA) network; Or internet (Internet), or other similar network.
Any Subscriber Identity Module of communication device 100 configurations capable of using; Via in network 203 and the network 204 at least one with corresponding middle device 205 and 206 (for example; The pairing mobile switching centre of GSM network (Mobile Switching Center is called for short MSC), the pairing radio network controller of WCDMA/TD-SCDMA network (Radio Network Controller; Be called for short RNC); Or the pairing session initiation protocol in internet (Session Initiation Protocol, be called for short SIP) server), or via public switched telephone network (Public Switched Telephone Network; PSTN) 207 or the combination in any of above-mentioned network) to called side (promptly; Wireless or the wire communication device that another is long-range) the issue device communication request (apparatus originated communication request) of making a start, as the audio call on audio call, data call, video call or the Internet Protocol (voice over Internet Protocol, VOIP).In addition; Communication device 100 also can see through any Subscriber Identity Module from the request of calling terminal receiving system terminating communication (apparatus terminated communication request); The request of device terminating communication is also referred to as to move and receives (Mobile Terminated, MT) call request.Need to understand, between heterogeneous (heterogeneous) type network, might have one or more gateways (gateway).
According to one embodiment of the invention, Subscriber Identity Module 101 can be relevant with a type of wireless communication system with 102.For example; Subscriber Identity Module 101 or 102 can be the subscriber identify module card (SIM) of corresponding GSM; Or the subscriber identify module card of corresponding UMTS (usim card); The movable subscriber identify module card (RUIM card) or CDMA 2000 subscriber identify module cards (CSIM card) of corresponding cdma communication system, or other.
Fig. 3 is for showing according to the described radio activity scheduling example by the shared radio transceiver chip of a plurality of Subscriber Identity Modules of one embodiment of the invention.In embodiments of the invention; Radio transceiver chip 104 is shared by Subscriber Identity Module 101 and 102; And use in time interval TP1, switch for Subscriber Identity Module 101 (below be called first Subscriber Identity Module); To carry out packet-switched (packet switch is called for short PS, is called packet switching again) transfer of data.Yet; In time interval TP1; The time of a part, (for example, point-like was distributed the time, perhaps a part or a plurality of parts etc.; Hereinafter to be referred as doing interval off time) be assigned to Subscriber Identity Module 102 (below be called second Subscriber Identity Module) and use, carry out the radio activity of second Subscriber Identity Module in order to see through radio transceiver chip 104.In time interval TP2 (below be referred to as interval off time); Second Subscriber Identity Module can see through radio transceiver chip 104 be executed in any radio activity that possibly carry out an idle mode under, for example listens to signal quality or other of broadcast channel, control channel or paging (paging) indication passage etc. or measurement Serving cell or adjacent cell.It should be noted that; In traditional design; In case radio resource is taken with executive circuit exchange (circuit switch by first Subscriber Identity Module; Be called for short CS) when voice transfer or packet-switched transfer of data, second Subscriber Identity Module will get into " flight pattern ", and suspend it and transmit the function with reception.Yet; According to notion of the present invention; Be different from traditional restriction, when radio resource is taken with execution packet-switched transfer of data by first Subscriber Identity Module (therefore, first Subscriber Identity Module gets into " Packet Mode "); Second Subscriber Identity Module will get into " virtual idle mode ", and need not suspend it and transmit and the function that receives.In preferred embodiment of the present invention, can implement two Protocol Stacks (protocol stack), in order to handle the radio activity of first and second Subscriber Identity Module respectively.Yet, in other embodiments of the invention, also can only implement a Protocol Stack, in order to handling the radio activity of first and second Subscriber Identity Module simultaneously, and the present invention is not limited to any execution mode.Furtherly, according to another embodiment of the invention, first Subscriber Identity Module and second Subscriber Identity Module more can be handled a plurality of Protocol Stacks according to demand simultaneously, are not limited to a kind of or two kinds of communication storehouses.
According to one embodiment of the invention; Because when first Subscriber Identity Module is carried out the packet-switched transfer of data (promptly; Get into " Packet Mode ") time; Second Subscriber Identity Module gets into " virtual idle mode "; Therefore second Subscriber Identity Module off time capable of using interval (time interval TP2 as shown in Figure 3) is carried out the process of conversion (inter-RAT change) between the radio access technology, in order to wait to connect (camping on) best sub-district (for example, using the sub-district of advanced radio access technology).After second Subscriber Identity Module is waited to connect best sub-district; Wherein this best sub-district for judge via processor 105 have than present first Subscriber Identity Module the higher data transmission and processing amount in sub-district to be connected; Processor 105 can be transformed into second Subscriber Identity Module from first Subscriber Identity Module with the packet-switched transfer of data of carrying out at present, with thinking that the communication device user provides best packet-switched data transport service.This transfer process can be described as " reselecting between the Subscriber Identity Module ".
According to one embodiment of the invention, can data transmission and processing amount (throughput) theoretical value corresponding to the different radio access technique be stored in the storage arrangement 106.Fig. 4 a is for showing the example according to the pairing data transmission and processing amount of different radio access technique theoretical value stored in the described storage arrangement of one embodiment of the invention.In this embodiment, data transmission and processing amount theoretical value can be corresponding to each radio access defined maximum of technology or minimum downlink transmission treating capacity in the communication specifications.For example, Fig. 4 a is the downlink transmission treating capacity that demonstrates the minimum of 2G/2.5G, 3G/3.5G and 4G radio access technology, and wherein said treating capacity is defined as the data volume (that is, unit is kbps) that (for example, per second) can be transmitted in the unit interval.Fig. 4 b is for showing the example of the pairing data transmission and processing amount of different radio access technique theoretical value stored in the described according to another embodiment of the present invention storage arrangement.In this embodiment, data transmission and processing amount theoretical value is the data transmission and processing amount experimental result of each radio access technology of obtaining via laboratory tests or field test that each is regional, and it can be the mean value of obtaining via a plurality of experiments.Fig. 4 c is for showing the example according to the pairing data transmission and processing amount of different radio access technique theoretical value stored in the described storage arrangement of another embodiment again of the present invention.In this embodiment, data transmission and processing amount theoretical value is the viewed downlink transmission treating capacity of different radio access technique, and it can be repeatedly the mean value of the data transmission and processing amount of previous practical operation.Fig. 4 d is for showing the example according to the pairing data transmission and processing amount of different radio access technique theoretical value stored in the described storage arrangement of another embodiment again of the present invention.In this embodiment; Data transmission and processing amount theoretical value is the downlink transmission treating capacity desired value of different radio access technique, and it can be corresponding to the mean value of each radio access defined maximum of technology or minimum downlink transmission treating capacity in the communication specifications.It should be noted that the different pairing data transmission and processing amount theoretical values of radio access technology can be stored in the storage arrangement 106 according to the different user identification card respectively.In addition, data transmission and processing amount theoretical value also can be obtained by the mode shown in the 4a-4d figure that is different from, and therefore, the present invention is not limited to the example shown in the 4a-4d figure.
As above-mentioned; Because when first Subscriber Identity Module is in " Packet Mode "; Second Subscriber Identity Module can get into " virtual idle mode "; Processor 105 can be obtained the pairing data transmission and processing amount theoretical value of employed second radio access technology in second Subscriber Identity Module, second sub-district to be connected from storage arrangement 106; And when the pairing data transmission and processing amount theoretical value of second radio access technology was higher than the measured data transmission and processing amount in first sub-district of first radio access technology of first Subscriber Identity Module institute use to be connected, decision changed into through this second Subscriber Identity Module execution transfer of data.Measurement that it should be noted that the pairing data transmission and processing amount of first radio access technology can periodically be driven, or is driven according to specific incident.Fig. 5 is for showing the example situation according to the described measurement data transmission process of one embodiment of the invention amount.In this embodiment, processor 105 begins to set up first packet-switched through first Subscriber Identity Module with first wireless network from time t1 and is connected, and wherein first wireless network is the 2G network.When carrying out the packet-switched transfer of data, processor 105 can more be measured the data transmission and processing amount of first wireless network, the curve of the data transmission and processing amount that measures as shown in Figure 5.At this moment, second Subscriber Identity Module can get into virtual idle mode and continue the utilization interval radio activity scheduling of carrying out transmission or receiving off time.Suppose at time t2; Second Subscriber Identity Module waits to connect second sub-district; It is the sub-district of 4G; Processor 105 can be obtained the pairing data transmission and processing amount theoretical value of 4G technology from storage arrangement 106, for example, and shown in figure; By the defined minimum downlink data transmission and processing of communication specifications amount MinTP_4G, and the 4G that obtains pairing data transmission and processing amount theoretical value of technology and the pairing first actual data transfer treating capacity of present ongoing packet-switched transfer of data made comparisons.The first actual data transfer treating capacity can see through measures measured data transmission and processing in the time interval on average, perhaps gets maximum or minimum value or other computing and get.
When the pairing data transmission and processing amount theoretical value of 4G technology was higher than the pairing first actual data transfer treating capacity of present ongoing packet-switched transfer of data, processor 105 can determine to see through second User Recognition and be stuck in second wireless network and carry out the packet-switched transfer of data.For example; In one embodiment of the invention, processor 105 can suspend the packet-switched transfer of data of being carried out, interruption (disconnect) in first wireless network and be connected with first packet-switched of first wireless network, sees through and set up between second Subscriber Identity Module and second wireless network that one second packet-switched is connected and recovery packet-switched transfer of data in second wireless network.As shown in Figure 5; Processor 105 can be connected with first packet-switched of first wireless network in packet-switched transfer of data of being carried out and the interruption that time t2 suspends in first wireless network; And between time t3 begins to see through second Subscriber Identity Module and second wireless network, set up second packet-switched and be connected, and in second wireless network recovery packet-switched transfer of data.Being spaced apart between time t2 and the t3 switched radio transceiver chip 104 required change-over time.Because the transmission process amount theoretical value of 4G network is higher than the first actual data transfer treating capacity of 2G network, therefore, in theory, behind time t3, the data transmission and processing amount very likely is enhanced.
According to one embodiment of the invention; Processor 105 can be obtained the data transmission and processing amount theoretical value of the pairing radio access technology of the Subscriber Identity Module that gets into virtual idle mode; And when the Subscriber Identity Module that gets into a virtual idle mode sub-district to be connected, the size of comparing data transmission process amount theoretical value and actual data transfer treating capacity.For example; When a Subscriber Identity Module is in Packet Mode; Radio transceiver chip 104 can be switched to another communication frequency in interval off time, waits to connect the sub-district process with execution, makes another Subscriber Identity Module that gets into virtual idle mode can wait to connect a sub-district.Such as the communication standard TS43.022 of 2G definition, wait to connect (camping on) sub-district and represent mobile radio station (mobile station is called for short MS) to accomplish the process of cell selecting or gravity treatment, and select the sub-district that will receive all available services.For general service, regular waiting connect refer to mobile radio station must appropriate cell connected, and tuning (tune) is to the control channel of this sub-district.In addition, such as the communication standard TS25.304 of 3G definition, wait to connect a sub-district representative of consumer equipment (user equipment is called for short UE) and accomplished the process of cell selecting or gravity treatment, and select a sub-district.Subscriber's installation supervisory control system information and (in most situation) paging information.In addition, the user is equipped in the selecteed public land mobile net network (public land mobile network is called for short PLMN) and searches appropriate cell, and selects this sub-district that available service is provided, and is tuned to the control channel of this sub-district.Described " selection " is the described sub-district of waiting to connect.It should be noted that haveing the knack of this art also can be applicable to other and developed or be about to by in the radio access technology that develops when understanding definition that above-mentioned waiting connect a sub-district.Therefore, no longer introduce " sub-district to be connected " definition below in other radio access technology.
According to another embodiment of the present invention; When the Subscriber Identity Module that gets into virtual idle mode changes employed radio access technology; Processor 105 also can be obtained the data transmission and processing amount theoretical value of the pairing radio access technology of the Subscriber Identity Module that gets into virtual idle mode; And, the size of comparing data transmission process amount theoretical value and actual data transfer treating capacity.For example; When a Subscriber Identity Module is in Packet Mode; Radio transceiver chip 104 can be switched to another communication frequency in interval off time that this Subscriber Identity Module is carried out in the data exchange process; To carry out the process of changing between the radio access technology, connect a sub-district of using the different radio access technique to assist another Subscriber Identity Module that gets into virtual idle mode to wait.The situation that causes the radio access technology to change can comprise; But be not limited to, in elect between the radio access technology (inter-RAT selection), between the radio access technology, reselect (inter-RAT reselection), cell change order (cell change order) or other.Such as communication standard 3GPP 45.008 6.6.5/6.6.6 definition; For time-division multiplex (MUX) (Time-division duplex; Abbreviation TDD) sub-district; As the received signal code power that measures (received signal code power; Abbreviation RSCP) numerical value is equal to or greater than the numerical value of TDD_Qoffset in 5 seconds time interval; And for for frequency division multiplex (MUX) (Frequency-division duplex; Be called for short FDD) the sub-district, when following condition all met in 5 seconds time interval, those conditions comprised: the RLA_C numerical value that the RSCP numerical value that (1) measures surpasses Serving cell and surpass that all are suitable (its definition can with reference to communication standard 3GPP TS 43.022) non-service GSM sub-district adds FDD_Qoffset numerical value; (2) the Ec/No numerical value that measures is more than or equal to the numerical value of (FDD_Qmin-FDD_Qmin_Offset); And (3) when the received signal code power numerical value that measures during more than or equal to the numerical value of FDD_RSCP_threshold, that mobile radio station must be reselected is one suitable (its definition can with reference to communication standard 3GPP TS25.034) UMTS land radio access network (Terrestrial Radio Access Network is called for short UTRAN) sub-district.
Such as among communication standard 3GPP 25.304 5.2.2.1 definition, after PLMN was selected by Non-Access Stratum (Non Access Stratum, be called for short NAS), the user equipped and must attempt to find an appropriate cell and wait to connect this sub-district.Non-Access Stratum can be controlled cell selecting by following mode, comprising: (1) provides the radio access technological information relevant with selected PLMN, and the inventory of the region of forbidding registration (registration) is kept in (2), and (3) provide the inventory of the PLMN of equivalence.Such as among communication standard 3GPP 25.331 8.3.10.1 definition; The purpose of cell change control command to UTRAN process does between the radio access technology; Change under the control that receives cell base station radio access technology that the user uses, and user's equipment and another radio access technology (for example, GSM/GPRS) between to the connection of UTRAN etc.Above-mentioned wireless technology is not limited to GSM/GPRS/3G, can summarize any radio access technology that comprises.Must be noted that, have the knack of this art and also can be applicable to other and developed or be about to by in the radio access technology that develops when understanding definition that above-mentioned waiting connect a sub-district.Therefore, no longer be illustrated in the definition of other radio access technology below.
With reference to returning Fig. 5; According to one embodiment of the invention; Before the connection of first packet-switched is interrupted; Processor 105 can more be recorded in the first actual data transfer treating capacity corresponding to first radio access technology that measures between the time t1 to t2, and the first actual data transfer treating capacity that will write down is stored in the storage arrangement 106, in order to as data transmission and processing amount desired value.In processor 105 decision see through second User Recognition be stuck in carry out the packet-switched transfer of data in second wireless network after; Processor 105 is also in the time interval that sees through second Subscriber Identity Module execution transfer of data; Measure and monitor the treating capacity of second wireless network in a given time; In order to obtaining the second actual data transfer treating capacity, and the second actual data transfer treating capacity is compared with the data transmission and processing amount desired value of previous storage.Measurement that it should be noted that the pairing data transmission and processing amount of second radio access technology can periodically be driven, or is driven according to specific incident.When the data transmission and processing amount desired value of previous storage was higher than the second actual data transfer treating capacity, processor 105 can determine data transmission procedure is changeed back through the execution of first Subscriber Identity Module.
Fig. 6 be demonstration according to one embodiment of the invention described select have the optimal wireless access technique a Subscriber Identity Module to carry out the method flow diagram of transfer of data.When seeing through first Subscriber Identity Module execution packet-switched transfer of data (step S601); Processor 105 can check whether the condition of reselecting between the Subscriber Identity Module is set up; In other words, processor 105 can check whether one or more standard of reselecting between the Subscriber Identity Module satisfies (step S602).According to one embodiment of the invention; This condition can be; For example; It is comparatively advanced that the radio access technology ratio that uses when second Subscriber Identity Module that gets into virtual idle mode sub-district to be connected is carried out the employed radio access technology in sub-district of packet-switched transfer of data at present; Perhaps work as second Subscriber Identity Module that gets into virtual idle mode and change another radio access technology comparatively more advanced of using into than the employed radio access technology in sub-district of present execution packet-switched transfer of data; Perhaps work as second Subscriber Identity Module that gets into virtual idle mode and can support another radio access technology more more advanced than the employed radio access technology in the sub-district of present execution packet-switched transfer of data, or other.It should be noted that in embodiments of the invention " comparatively advanced " represented and can supported higher data transmission process amount.When the condition of reselecting between the Subscriber Identity Module was set up, processor 105 can suspend present packet-switched data transmission procedure, and interrupted present packet-switched connection (step S603).Then; But second Subscriber Identity Module that processor 105 activation are in virtual idle mode (wherein; This second Subscriber Identity Module is in virtual unrestricted model and satisfies the standard of reselecting between the Subscriber Identity Module); And begin the access procedure of second Subscriber Identity Module, set up packet-switched with wireless network and be connected, and see through second Subscriber Identity Module recovery packet-switched transfer of data (step S604).
After seeing through second Subscriber Identity Module execution packet-switched data procedures, processor 105 can check more whether present data transmission and processing amount is lower than data transmission and processing amount desired value (step S605).As above-mentioned, processor 105 can be recorded as data transmission and processing amount desired value with the data transmission and processing amount that before the packet-switched of interrupting first Subscriber Identity Module connects, measures.When present data transmission and processing amount was lower than data transmission and processing amount desired value, processor 105 can more determine to change back through first Subscriber Identity Module carried out the packet-switched data transmission procedure.Likewise, processor can suspend present packet-switched data transmission procedure, and interrupts present packet-switched connection (step S606).Then, but processor 105 activation first Subscriber Identity Module and begins the access procedure of first Subscriber Identity Module, sets up packet-switched with wireless network and is connected, and sees through first Subscriber Identity Module and recover packet-switched transfer of data (step S607).
Fig. 7 is for showing another example situation of described according to another embodiment of the present invention measurement data transmission process amount.In Fig. 7, time t1 is identical with Fig. 5 to the situation among the t3.In other words, in the interval in time t1 to t2, carry out the packet-switched data transmission procedure for seeing through first Subscriber Identity Module, and after time t3, carry out the packet-switched data transmission procedure for seeing through second Subscriber Identity Module.Yet t4 begins from the time, and the data transmission and processing amount begins to decline to a great extent, and processor 105 is judged present data transmission and processing amount and is lower than data transmission and processing amount desired value Expected_TP.Because present data transmission and processing amount is lower than data transmission and processing amount desired value Expected_TP, processor 105 is decided by that time t5 is changeed back and sees through first Subscriber Identity Module and carry out the packet-switched data transmission procedure.Therefore, t6 begins from the time, changes back to see through first Subscriber Identity Module execution packet-switched data transmission procedure.
According to another embodiment of the present invention; When present data transmission and processing amount was lower than data transmission and processing amount desired value, processor 105 can be further be recorded in the identity data of the sub-district that has the data transmission and processing amount that is lower than data transmission and processing amount desired value at present in one blacklist.According to one embodiment of the invention, the corresponding identity data of sub-district can be an identifier (identifier) of this sub-district.Blacklist can be stored in the storage arrangement 106, as judging whether to need to carry out a condition of reselecting between the Subscriber Identity Module.For example; When the Subscriber Identity Module that is under the virtual idle mode waits to connect a sub-district; The radio access technology of its use is than coming advancedly in order to radio access that use the sub-district technology of carrying out the packet-switched transfer of data at present; And when this sub-district is not recorded in blacklist, can carries out between the Subscriber Identity Module and reselect.Lift another example; Change employed radio access technology and be the Target Wireless access technique when being in Subscriber Identity Module under the virtual idle mode; This Target Wireless access technique is than coming advancedly in order to radio access that use the sub-district technology of carrying out the packet-switched transfer of data at present; And when this sub-district is not recorded in blacklist, can carries out between the Subscriber Identity Module and reselect.Lift another example again; When the supported radio access technology of Subscriber Identity Module that is under the virtual idle mode is come advancedly than present in order to radio access that use the sub-district technology of carrying out the packet-switched transfer of data; And when this advanced pairing sub-district of radio access technology is not recorded in blacklist, can carries out between the Subscriber Identity Module and reselect.
Fig. 8 for show described according to another embodiment of the present invention select have the optimal wireless access technique a Subscriber Identity Module to carry out the method flow diagram of transfer of data.In this embodiment, when seeing through first Subscriber Identity Module execution packet-switched transfer of data (step S801), processor 105 can check whether the condition of reselecting between the Subscriber Identity Module sets up (step S802).As above-mentioned; This condition can be; For example; It is comparatively advanced that the radio access technology ratio that uses when second Subscriber Identity Module that gets into virtual idle mode sub-district to be connected is carried out the employed radio access technology in sub-district of packet-switched transfer of data at present; Perhaps work as second Subscriber Identity Module that gets into virtual idle mode and change another radio access technology comparatively more advanced of using into than the employed radio access technology in sub-district of present execution packet-switched transfer of data; Perhaps work as second Subscriber Identity Module that gets into virtual idle mode and can support another radio access technology more more advanced than the employed radio access technology in the sub-district of present execution packet-switched transfer of data, or other.When the condition of reselecting between the Subscriber Identity Module is set up, processor 105 can further determine present second Subscriber Identity Module the identity data of sub-district to be connected whether be not stored in the blacklist (step S803).When present second Subscriber Identity Module the identity data of sub-district to be connected when not being stored in the blacklist; The process that processor 105 can begin to reselect between the Subscriber Identity Module; Suspend present packet-switched data transmission procedure, and interrupt present packet-switched connection (step S804).Then; But processor 105 activation are in virtual idle mode and meet second Subscriber Identity Module of the condition of reselecting between the Subscriber Identity Module; And begin the access procedure of second Subscriber Identity Module; Set up packet-switched with wireless network and be connected, and see through second Subscriber Identity Module recovery packet-switched transfer of data (step S805).
After seeing through second Subscriber Identity Module execution packet-switched data, processor 105 can check more whether present data transmission and processing amount is lower than data transmission and processing amount desired value (step S806).As above-mentioned, processor 105 can be recorded as data transmission and processing amount desired value with measured data transmission and processing amount before the packet-switched of interrupting first Subscriber Identity Module connects.When present data transmission and processing amount was lower than data transmission and processing amount desired value, processor 105 can more determine to change back through first Subscriber Identity Module carried out the packet-switched data transmission procedure.Likewise, processor 105 can suspend present packet-switched data transmission procedure, and interrupts present packet-switched connection (step S807).Then, but processor 105 activation first Subscriber Identity Module and begins the access procedure of first Subscriber Identity Module, sets up packet-switched with wireless network and is connected, and sees through first Subscriber Identity Module and recover packet-switched transfer of data (step S808).In addition, the identity data of the sub-district that processor 105 can be more to be connected with second Subscriber Identity Module is recorded in (step S809) in the blacklist, uses to provide in the future.It should be noted that in some embodiments of the present invention the cell identity data that write down can be removed at given time week after date automatically.
According to another embodiment of the present invention, also can when setting up the packet-switched connection, use the notion that above-mentioned selection has a Subscriber Identity Module of optimal wireless access technique.For example; According to one embodiment of the invention; Communication device for configuration dual user identification card as shown in Figure 1; Processor can from storage arrangement 106 obtain first Subscriber Identity Module the pairing first data transmission and processing amount theoretical value of employed first radio access technology in first sub-district to be connected; And second Subscriber Identity Module the pairing second data transmission and processing amount theoretical value of employed second radio access technology in second sub-district to be connected, and begin to see through Subscriber Identity Module and set up packet-switched with wireless network and be connected with higher data transmission process amount theoretical value.In addition; When the first data transmission and processing amount theoretical value is identical with the second data transmission and processing amount theoretical value; Processor 105 can more be obtained pairing the 3rd data transmission and processing amount theoretical value of being supported by first Subscriber Identity Module of most advanced radio access technology; And pairing the 4th data transmission and processing amount theoretical value of supporting by second Subscriber Identity Module of most advanced radio access technology, and begin to see through Subscriber Identity Module and set up packet-switched with wireless network and be connected with higher data transmission process amount theoretical value.
For example, suppose that the radio access technology of being supported by first Subscriber Identity Module is 2G and 3G, and be 2G, 3G and 4G by the radio access technology that second Subscriber Identity Module is supported.When the sub-district that first Subscriber Identity Module waits to connect 3G, and second Subscriber Identity Module is when waiting to connect the sub-district of 2G, and generally speaking 3G sub-district pairing data transmission and processing amount theoretical value can be higher than the pairing data transmission and processing amount of 2G cell theoretical value.Therefore, processor 105 can be selected to see through first Subscriber Identity Module and carry out the packet-switched transfer of data.Lift another example, when first and second Subscriber Identity Module 2G cell all to be connected, then these two the pairing data transmission and processing amount of 2G cell theoretical values possibly be identical.At this moment; Because second Subscriber Identity Module supports state-of-the-art radio access technology to be 4G; It supports state-of-the-art 3G radio access technology to have higher data transmission process amount theoretical value than first Subscriber Identity Module in theory, so processor 105 can select to see through second Subscriber Identity Module execution packet-switched transfer of data.It should be noted that in some embodiments of the present invention,, therefore can judge sub-district at present to be connected employed radio access technology kind according to the frequency of transmission band because different radio access technology can be used different transmission bands.In addition; It should be noted that; The relevant information of the most advanced radio access technology that Subscriber Identity Module is supported can (for example obtain by self-corresponding Subscriber Identity Module; Be stored in the field of the relevant basic archives (Elementary File is called for short EF) in the subscriber identification modules such as SIM, USIM, RUIM), or obtain, or obtain or above combination in any from the operator of wireless network according to the hardware or the software arrangements of communication device.
Fig. 9 for show another embodiment again according to the present invention described select have the optimal wireless access technique a Subscriber Identity Module to carry out the method flow diagram of transfer of data.After the instruction that receives initial packet-switched transfer of data (step S901), processor 105 can judge whether earlier can each Subscriber Identity Module at present determine an optimal wireless access technique (step S902) between the employed radio access technology in sub-district to be connected.If can between present employed radio access technology, determine an optimal wireless access technique; For example; Can find a radio access technology; It has data transmission and processing amount theoretical value and is higher than other radio access technology, and processor 105 can be with waiting that the Subscriber Identity Module that connects the sub-district of using the optimal wireless access technique is made as the Subscriber Identity Module of favor, and sees through this Subscriber Identity Module and carry out packet-switched transfer of data (step S903).If in the time of can't between present employed radio access technology, determining an optimal wireless access technique; For example; When each Subscriber Identity Module at present the employed radio access technology in sub-district to be connected identical; When perhaps having identical data transmission and processing amount theoretical value, processor 105 can more determine whether can between the radio access technology that each Subscriber Identity Module is supported, find out an optimal wireless access technique (step S904).If can between the present radio access technology of supporting, determine an optimal wireless access technique; For example; When the data transmission and processing amount theoretical value of the supported state-of-the-art radio access technology of a Subscriber Identity Module is higher than other radio access technology; Processor 105 can be made as the Subscriber Identity Module of favor with the Subscriber Identity Module that can support the optimal wireless access technique, and sees through this Subscriber Identity Module execution packet-switched transfer of data (step S905).On the other hand; If can't between the present radio access technology of supporting, determine an optimal wireless access technique; Then processor 105 can select a Subscriber Identity Module as the Subscriber Identity Module of favoring at random; Perhaps user-defined Subscriber Identity Module is made as the Subscriber Identity Module of favor, and sees through this Subscriber Identity Module execution packet-switched transfer of data (step S906).
The above embodiment of the present invention can be carried out in many ways, for example uses hardware, software or its to combine to carry out.Be familiar with the processor that set that this art should be appreciated that any assembly of carrying out above-mentioned functions or assembly can be regarded as one or more control above-mentioned functions.These one or more processors can be carried out in many ways, and for example by specify hardware, or the common hardware that uses microcode or software to programme is carried out above-mentioned functions.
Do not hint the order of the step that precedence or method between any priority, order of priority, each assembly is performed in the claim in order to the use of ordinal numbers such as " first ", " second " of modifying assembly, " the 3rd " itself, and only distinguish the have same names different assemblies of (having different ordinal numbers) with making a check mark.
Though the present invention discloses as above with preferred embodiment; So it is not in order to limit scope of the present invention; Any one of ordinary skill in the art; Do not breaking away from the spirit and scope of the present invention, when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking appended the claim person of defining.

Claims (21)

1. communication device comprises:
Processor is coupled to first Subscriber Identity Module, one second Subscriber Identity Module, storage arrangement and radio transceiver chip;
Wherein this first Subscriber Identity Module is waited to connect through this radio transceiver chip and first sub-district, and first radio access technology is used in this first sub-district, and belongs to first wireless network;
Wherein this second Subscriber Identity Module is waited to connect through this radio transceiver chip and second sub-district, and second radio access technology is used in this second sub-district, and belongs to second wireless network;
Wherein this storage arrangement stores a plurality of data transmission and processing amount theoretical values corresponding to the different radio access technique; And
Wherein this processor is used for seeing through and sets up first packet-switched between this first Subscriber Identity Module and this first wireless network and be connected; Be used to carry out transfer of data in this first wireless network, be used for seeing through the first data transmission and processing amount of measuring this first wireless network when this first Subscriber Identity Module is carried out this transfer of data, be used for obtaining this second radio access pairing data transmission and processing amount theoretical value of technology and when pairing this data transmission and processing amount theoretical value of this second radio access technology is higher than this first data transmission and processing amount, is used for decision and changes into through this second Subscriber Identity Module execution transfer of data from this storage arrangement.
2. communication device according to claim 1; It is characterized in that this processor more is used to suspend this transfer of data in this first wireless network, be used to interrupt be connected, be used for to see through with this first packet-switched of this first wireless network set up second packet-switched between this second Subscriber Identity Module and this second wireless network and be connected and be used for this transfer of data of recovery in this second wireless network.
3. communication device according to claim 1; It is characterized in that; Carry out in the time interval of this transfer of data in seeing through this first Subscriber Identity Module; This radio transceiver chip is switching to this second Subscriber Identity Module execution one and treats termination process, waits to connect in order to assist this second Subscriber Identity Module and this second sub-district.
4. communication device according to claim 1; It is characterized in that; Carry out in the time interval of this transfer of data in seeing through this first Subscriber Identity Module; This radio transceiver chip is switching to this second Subscriber Identity Module and carries out the process of changing between the radio access technology, waits to connect in order to assist this second Subscriber Identity Module and this second sub-district.
5. communication device according to claim 2 is characterized in that, this processor more before interrupting this first packet-switched connection, is recorded in this first data transmission and processing amount of having measured in this storage arrangement.
6. communication device according to claim 5; It is characterized in that; When seeing through this this transfer of data of second Subscriber Identity Module execution; The data processing amount in the given time interval is more measured and supervised to this processor; With obtain the second data transmission and processing amount, relatively this second data transmission and processing amount is with the size of this first data transmission and processing amount of having write down and when this first data transmission and processing amount that has write down is higher than this second data transmission and processing amount, decision changes into being stuck in through this first User Recognition carries out this transfer of data in this first wireless network.
7. communication device according to claim 6; It is characterized in that this processor more suspends this transfer of data in this second wireless network, interrupts being connected with this second packet-switched of this second wireless network, the 3rd packet-switched is connected and this transfer of data of recovery in this first wireless network through setting up between this first Subscriber Identity Module and this first wireless network.
8. communication device according to claim 6 is characterized in that, when this first data transmission and processing amount that has write down is higher than this second data transmission and processing amount, this processor more with the identifier record of this second sub-district in blacklist.
9. communication device according to claim 1; It is characterized in that; This processor more check this whether the identifier of this second sub-district be recorded in the blacklist; And when this identifier of this second sub-district was not recorded in this blacklist, decision changed into through this second User Recognition and is stuck in this transfer of data of execution in this second wireless network.
10. communication device according to claim 1; It is characterized in that; Before carrying out this transfer of data; This processor is more obtained this first radio access pairing first data transmission and processing amount theoretical value of technology and the pairing second data transmission and processing amount theoretical value of this second radio access technology from this storage arrangement; And when this first data transmission and processing amount theoretical value is higher than this second data transmission and processing amount theoretical value, begins to set up this first packet-switched with this first wireless network and be connected, be used to carry out in this first wireless network this transfer of data through this first Subscriber Identity Module.
11. communication device according to claim 1; It is characterized in that; Before carrying out this transfer of data; This processor is more obtained the pairing first data transmission and processing amount theoretical value of being supported by this first Subscriber Identity Module of state-of-the-art radio access technology from this storage arrangement; And the pairing second data transmission and processing amount theoretical value of supporting by this second Subscriber Identity Module of state-of-the-art radio access technology; And when this first data transmission and processing amount theoretical value is higher than this second data transmission and processing amount theoretical value, begins to set up this first packet-switched through this first Subscriber Identity Module with this first wireless network and be connected, be used to carry out in this first wireless network this transfer of data.
12. a method of selecting Subscriber Identity Module is used to select in the communication device Subscriber Identity Module with optimal wireless access technique to carry out transfer of data, this method comprises:
Obtain first radio access pairing first data transmission and processing amount theoretical value of technology and the pairing second data transmission and processing amount theoretical value of second radio access technology; First Subscriber Identity Module that wherein is disposed in this communication device uses this first radio access technology to wait to connect with first sub-district that belongs to first wireless network, and second Subscriber Identity Module that is disposed in this communication device uses this second radio access technology to wait to connect with second sub-district that belongs to second wireless network;
When this first data transmission and processing amount theoretical value is higher than this second data transmission and processing amount theoretical value, sees through and to set up the first required packet-switched of execution transfer of data between this first Subscriber Identity Module and this first wireless network and be connected; And
See through this first User Recognition and be stuck in this this transfer of data of first wireless network execution.
13. the method for selection Subscriber Identity Module according to claim 12 is characterized in that, further comprises:
When this first radio access technology equals this second radio access technology; Obtain pairing the 3rd data transmission and processing amount theoretical value of supporting by this first Subscriber Identity Module of state-of-the-art radio access technology, and pairing one the 4th data transmission and processing amount theoretical value of supporting by this second Subscriber Identity Module of state-of-the-art radio access technology;
When the 3rd data transmission and processing amount theoretical value is higher than the 4th data transmission and processing amount theoretical value, sets up this first packet-switched through this first Subscriber Identity Module with this first wireless network and be connected; And
In this first wireless network, see through this first Subscriber Identity Module and carry out this transfer of data.
14. the method for selection Subscriber Identity Module according to claim 12 is characterized in that, further comprises:
When seeing through this this transfer of data of first Subscriber Identity Module execution, measure the first actual data transfer treating capacity of this first wireless network;
The size of this first actual data transfer treating capacity and this second data transmission and processing amount theoretical value relatively; And
When this second data transmission and processing amount theoretical value was higher than this first actual data transfer treating capacity, decision changed into through this second User Recognition and is stuck in this transfer of data of execution in this second wireless network.
15. the method for selection Subscriber Identity Module according to claim 14 is characterized in that, further comprises:
Suspend this transfer of data in this first wireless network;
Interrupt being connected with this first packet-switched of this first wireless network;
See through and to set up second packet-switched between this second Subscriber Identity Module and this second wireless network and be connected; And
In this second wireless network, recover this transfer of data.
16. the method for selection Subscriber Identity Module according to claim 14 is characterized in that, further comprises:
When in seeing through this first wireless network of this first Subscriber Identity Module, carrying out this transfer of data, suspend this transfer of data;
Switch the radio transceiver chip of this communication device, treat termination process, use the 3rd radio access technology to wait to connect with the 3rd sub-district to assist this second Subscriber Identity Module with thinking that this second Subscriber Identity Module is carried out; And
Obtain pairing the 5th data transmission and processing amount theoretical value of the 3rd radio access technology; And in this second Subscriber Identity Module and the 3rd sub-district set up wait to connect after, the size of this first actual data transfer treating capacity and the 5th data transmission and processing amount theoretical value relatively.
17. the method for selection Subscriber Identity Module according to claim 14 is characterized in that, further comprises:
Be stuck in when carrying out this transfer of data in this first wireless network when seeing through this first User Recognition, suspend this transfer of data;
Switch the radio transceiver chip of this communication device,, use the 3rd radio access technology to be connected with one the 3rd sub-district to assist this second Subscriber Identity Module with thinking the process of changing between this second Subscriber Identity Module execution radio access technology; And
Obtain pairing one the 5th data transmission and processing amount theoretical value of the 3rd radio access technology; In this second Subscriber Identity Module and the 3rd sub-district set up wait to connect after, the size of this first actual data transfer treating capacity and the 5th data transmission and processing amount theoretical value relatively.
18. the method for selection Subscriber Identity Module according to claim 15 is characterized in that, further comprises:
Before interrupting this first packet-switched connection, this first actual data transfer treating capacity is recorded in the storage arrangement.
19. the method for selection Subscriber Identity Module according to claim 18 is characterized in that, further comprises:
When seeing through this this transfer of data of second Subscriber Identity Module execution, measure and supervise the data processing amount of this second wireless network in the given time interval, to obtain the second actual data transfer treating capacity;
The size of this second actual data transfer treating capacity and this first actual data transfer treating capacity of having write down relatively; And
When this first actual data transfer treating capacity that has write down was higher than this second actual data transfer treating capacity, decision changed into through this first User Recognition and is stuck in this transfer of data of execution in this first wireless network.
20. the method for selection Subscriber Identity Module according to claim 19 is characterized in that, further comprises:
When this first actual data transfer treating capacity that has write down is higher than this second actual data transfer treating capacity, in the blacklist of identifier record in being stored in this storage arrangement with this second sub-district.
21. the method for selection Subscriber Identity Module according to claim 14 is characterized in that, further comprises:
Check this whether the identifier of this second sub-district be recorded in the blacklist; And
When this identifier of this second sub-district was not recorded in this blacklist, decision changed into through this second User Recognition and is stuck in this transfer of data of execution in this second wireless network.
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